“It will also come to end of the US game market as we know it as all this jobs will be replaced in other more convenient financial countries. With a billion dollars cash sitting in a bank we do believe that such actions are an insult to the population and the behaviour of corporations like Zynga must change.”

“Anonymous could not allow this to happen so it's starting to release confidential documents we have leaked on this plan

As well as releasing this supposed confidential information, the group also plans further attacks.

“As we speak we are planning to release also all the games we've taken from their servers for free,” it added. “That being said we will stop the idea of the distribution of such games if Zynga will cease immediately the plan.”

It wouldn’t be the first time that Anonymous has threatened action that has never materialised, but Zynga will nonetheless be concerned – especially as sentiment toward the company is already hostile from some quarters.

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